14.4 The Cell Cycle
185
Table 14.2 Some genome data
Organism
Number of base
pairs (bp) per
haploid cell
Number of genes
Haploid number
of chromosomes
Number of cell
types (approx.)
Escherichia coli
4 times 10 Superscript 64 × 106
4290
1
1
Streptomyces
coelicolor
8.6 times 10 Superscript 68.6 × 106
7830
1
2
Amoeba dubia
7 times 10 Superscript 117 × 1011
60 000
tilde 300∼300?
1
S. cerevisiae
10 Superscript 7107
6300
16
2
C. elegans
9 times 10 Superscript 79 × 107
19 000
6
30
D. melanogaster
1.8 times 10 Superscript 81.8 × 108
13 500
4
50
Oikopleura
dioicaSuperscript normal aa
7 times 10 Superscript 77 × 107
15 000
8
?
Protopterus
annectensSuperscript normal bb
4 times 10 Superscript 104 × 1010
19 400
17
?
Triturus (newt)
1.9 times 10 Superscript 101.9 × 1010
?
12
150
O. anatinusSuperscript normal cc
3.06 times 10 Superscript 93.06 × 109
18 500
26
?
Mus musculus
3.5 times 10 Superscript 93.5 × 109
30 000
20
90
M. muntjakSuperscript normal dd
2.45 times 10 Superscript 92.45 × 109
26 000
7
?
M. reevesSuperscript normal ee
2.45 times 10 Superscript 92.45 × 109
26 000
46
?
Tarsus syrichta
3.4 times 10 Superscript 93.4 × 109
20 820
80
?
Homo sapiens
3.5 times 10 Superscript 93.5 × 109
30 000
23
220
Neurospora
crassa
4 times 10 Superscript 74 × 107
10 000
7
28
D. discoideumSuperscript normal ff
3.4 times 10 Superscript 73.4 × 107
12 500
6
4
Ophioglossum
(fern)
?
?
1260
?
Arabidopsis
thaliana
1.35 times 10 Superscript 81.35 × 108
25 500
5
?
FritillariaSuperscript normal gg
1.3 times 10 Superscript 111.3 × 1011
?
12
?
Picea abiesSuperscript normal hh
(Norway spruce)
2 times 10 Superscript 102 × 1010
28 350
12
?
Superscript normal aaA tunicate
Superscript normal bbAfrican lungfish
Superscript normal ccThe duck-billed platypus
Superscript normal ddThe Chinese muntjac
Superscript normal eeThe Indian muntjac
Superscript normal ffSlime mould
Superscript normal ggA bulbous plant from the Liliaceae family, not to be confused with the small mesopelagic larvaceans
in the genus Fritillaria, nor with the fritillary, the name given to several species of butterfly from
the subfamily Heliconiinae
Superscript normal hhNorway spruce